生物柴油是以菜油或是植物油加工而成的燃油。可以单独用于柴油机，也可以和以石油为基础的燃油混合使用。
Biodiesel is made from processed vegetable or plant oil, and can be used in diesel engines on its own, or blended with petroleum-based fuel.
该工厂利用的原料就是泰森的牛油、鸡油和猪油，每年可生产7500万加仑生物柴油及航空燃油。
That plant will use the fat from Tyson’s beef, chicken and pork operations to create 75 million gallons of biodiesel and jet fuel annually.
收集这些类似生物燃油的海藻油正我们要讨论的。
What we're talking about is harvesting those materials that look very similar to the kinds of biodiesels we produce right now.
应用推荐